Blister for a blister pack



FIG. 1 is a top plan view of a blister for a blister pack according to our design;

FIG. 2 is a top, left side and front perspective view of the blister illustrated in FIG. 1;

FIG. 3 is a front elevational view of the blister illustrated in FIG. 1, the rear view being identical; and,

FIG. 4 is a left side elevational view of the blister illustrated in FIG. 1, the right side view being identical.

The dashed lines in the above drawing figures form no part of the claimed design and represent portions of a blister pack forming part of an environment structure to which the blister may be attached. 

The ornamental design for a "blister for a blister pack", as shown and described. 